CY8C20666-24LTXI Cypress Semiconductor Corp, CY8C20666-24LTXI Datasheet - Page 9

• Manufacturer Part Number: CY8C20666-24LTXI
• Description: IC CAPSENSE AP 32K 2048B 48VQFN
• Manufacturer: Cypress Semiconductor Corp
• Series: CapSense® Controllersr

Specifications of CY8C20666-24LTXI

• Applications: Capacitive Sensing
• Core Processor: M8C
• Program Memory Type: FLASH (32 kB)
• Controller Series: CY8C20xx6
• Ram Size: 2K x 8
• Interface: I²C, SPI, USB
• Number Of I /o: 36
• Voltage - Supply: 1.71 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Technology: CMOS
• Processing Unit: Microprocessor
• Operating Supply Voltage (min): 1.71V
• Operating Supply Voltage (typ): 1.8/2.5/3.3/5V
• Operating Supply Voltage (max): 5.5V
• Package Type: QFN EP
• Screening Level: Industrial
• Pin Count: 48
• Mounting: Surface Mount
• Rad Hardened: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 770-1000 - ISP 4PORT FOR CYPRESS PSOC MCU
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 428-2980; CY8C20666-24LTXI

24-Pin QFN
Table 3. Pin Definitions - CY8C20336, CY8C20346
Document Number: 001-12696 Rev. *E
Note
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CP
LEGEND A = Analog, I = Input, O = Output, OH = 5 mA High Output Drive, R = Regulated Output.
Pin
No.
3. The center pad (CP) on the QFN package must be connected to ground (Vss) for best mechanical, thermal, and electrical performance. If not connected to ground, it
must be electrically floated and not connected to any other signal.
Digital Analog
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOHR
IOH
IOH
IOH
IOH
IOH
IOH
IOH
IOH
I/O
I/O
I/O
I/O
Power
Power
Power
Type
Input
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Name
P2[5]
P2[3]
P2[1]
P1[7]
P1[5]
P1[3]
P1[1]
NC
Vss
P1[0]
P1[2]
P1[4]
P1[6]
XRES
P2[0]
P0[0]
P0[2]
P0[4]
P0[6]
Vdd
P0[7]
P0[5]
P0[3]
P0[1]
Vss
Crystal output (XOut)
Crystal input (XIn)
I2C SCL, SPI SS
I2C SDA, SPI MISO
SPI CLK
ISSP CLK
MOSI
No connection
Ground connection
ISSP DATA
CLK
Optional external clock input
(EXTCLK)
Active high external reset with
internal pull down
Supply voltage
Integrating input
Integrating input
Center pad must be connected
to ground
Description
[1]
[1]
, I2C SCL, SPI
, I2C SDA, SPI
[2, 3]
Figure 3. CY8C20336, CY8C20346 PSoC Device
AI, I2C SDA, SPI MISO, P1[5]
AI, I2C SCL, SPI SS, P1[7]
AI, SPI CLK, P1[3]
AI, XOut, P2[5]
AI, XIn, P2[3]
AI, P2[1]
1
4
2
3
5
6
CY8C20X36/46/66/96
(Top View)
QFN
18
13
17
16
15
14
P0[4], AI
P0[2], AI
P0[0], AI
P2[0], AI
P1[6], AI
XRES
Page 9 of 39
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